public function subscribe(ObserverInterface $observer, $scheduler = null)
{
$socket = new \React\Socket\Server(\EventLoop\getLoop());
$negotiator = new Negotiator(new Validator());
if (!empty($this->subProtocols)) {
$negotiator->setSupportedSubProtocols($this->subProtocols);
}
$http = new \React\Http\Server($socket);
$http->on('request', function (Request $request, Response $response) use($negotiator, $observer, &$outStream) {
$uri = new Uri($request->getPath());
if (count($request->getQuery()) > 0) {
$uri = $uri->withQuery(\GuzzleHttp\Psr7\build_query($request->getQuery()));
}
$psrRequest = new \GuzzleHttp\Psr7\Request($request->getMethod(), $uri, $request->getHeaders());
// cram the remote address into the header in out own X- header so
// the user will have access to it
$psrRequest = $psrRequest->withAddedHeader("X-RxWebsocket-Remote-Address", $request->remoteAddress);
$negotiatorResponse = $negotiator->handshake($psrRequest);
$response->writeHead($negotiatorResponse->getStatusCode(), array_merge($negotiatorResponse->getHeaders(), ["Content-Length" => "0"]));
if ($negotiatorResponse->getStatusCode() !== 101) {
$response->end();
return;
}
$subProtocol = "";
if (count($negotiatorResponse->getHeader('Sec-WebSocket-Protocol')) > 0) {
$subProtocol = $negotiatorResponse->getHeader('Sec-WebSocket-Protocol')[0];
}
$connection = new MessageSubject(new AnonymousObservable(function (ObserverInterface $observer) use($request) {
$request->on('data', function ($data) use($observer) {
$observer->onNext($data);
});
$request->on('error', function ($error) use($observer) {
$observer->onError($error);
});
$request->on('close', function () use($observer) {
$observer->onCompleted();
});
$request->on('end', function () use($observer) {
$observer->onCompleted();
});
return new CallbackDisposable(function () use($request) {
$request->close();
});
}), new CallbackObserver(function ($x) use($response) {
$response->write($x);
}, function ($error) use($response) {
$response->close();
}, function () use($response) {
$response->end();
}), false, $this->useMessageObject, $subProtocol, $psrRequest, $negotiatorResponse);
$observer->onNext($connection);
});
$socket->listen($this->port, $this->bindAddress);
// $http->on('end', function () {});
// $http->on('data', function () {});
// $http->on('pause', function () {});
// $http->on('resume', function () {});
$this->started = true;
return new CallbackDisposable(function () use($socket) {
$socket->shutdown();
});
}
